Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Metal hydride fires and fire suppression agents
Most metal hydrides are pyrophoric and water-reactive. Summaries of metal hydride fire incidents are presented to illustrate ignition scenarios, threats to personnel and equipment, and fire suppression experiences. Met-L-X trademark, a sodium chloride-based, certified, Class D fire suppression agent, has successfully extinguished some metal hydride fires by coating the hydride and excluding air access. However, the still hot hydride is prone to re-ignition upon surface disturbance, such as may be necessary during disposal. Previously reported testing of various Class D agents and moist sand for sodium hydride fires is reviewed here along with certification and ad hoc testing of existing Class D agents and recent testing of a new candidate Class D agent. Hydride explosibility testing is also briefly summarized. Additional fire and explosibility tests, as well as suppression agent reactivity evaluations, are recommended.
Metal hydride fires and fire suppression agents
Most metal hydrides are pyrophoric and water-reactive. Summaries of metal hydride fire incidents are presented to illustrate ignition scenarios, threats to personnel and equipment, and fire suppression experiences. Met-L-X trademark, a sodium chloride-based, certified, Class D fire suppression agent, has successfully extinguished some metal hydride fires by coating the hydride and excluding air access. However, the still hot hydride is prone to re-ignition upon surface disturbance, such as may be necessary during disposal. Previously reported testing of various Class D agents and moist sand for sodium hydride fires is reviewed here along with certification and ad hoc testing of existing Class D agents and recent testing of a new candidate Class D agent. Hydride explosibility testing is also briefly summarized. Additional fire and explosibility tests, as well as suppression agent reactivity evaluations, are recommended.
Metal hydride fires and fire suppression agents
Zalosh, Robert (Autor:in)
2008
8 Seiten, 6 Bilder, 4 Tabellen, 17 Quellen
Aufsatz (Konferenz)
Englisch
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